Behr's Hairstreak (Satyrium behrii) is a small butterfly (2.5 to 2.9 cm) with a flight period from early June through to early July. The dorsal wing surfaces have large, central, orange patches. The ventral wing surfaces are greyish brown base colour with a series of prominent dark spots bordered by white rings. The Canadian range for Behr's Hairstreak is restricted to antelope-brush (Purshia tridentata) habitats in the south Okanagan valley of British Columbia (B.C.). The butterfly depends on its larval host-plant, antelope-brush, in association with nectar-plants such as yarrow (Achillea millefolium), smooth sumac (Rhus glabra), gray horsebrush (Tetradymia canescens), baby's breath (Gypsophila paniculata), sweet-clover (Melilotus spp.), oceanspray (Holodiscus discolor), and buckwheat (Eriogonum spp.). In Canada, Behr's Hairstreak is designated by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) and listed by the Species at Risk Act (SARA) as Threatened due to habitat loss and fragmentation related to agricultural and urban development.
Southern Interior Invertebrates Recovery Team. 2008. Recovery Strategy for Behr's Hairstreak (Satyrium behrii) in British Columbia. Ministry of Environment. BC Recovery Strategy (Species at Risk)
Topic: Recovery Planning
Keywords: sara, bc, species recovery, species at risk, threatened, butterfly
Scientific Name: Satyrium behrii
English Name: Behr's Hairstreak
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